Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2019   19:10:15   (  -0.00,-137.20) (  -0.63,-134.23)  337.46                80
 07/21/2019   07:31:39   (  -0.00,-137.19) (  -0.49,-139.42)  253.81                80
 07/23/2019   07:16:48   (   0.00,-137.19) (   0.13,-136.46)   81.76                80
 07/25/2019   07:04:37   (   0.00,-137.17) (   0.76,-133.51)  416.68                80
 07/25/2019   19:25:53   (   0.00,-137.18) (   0.31,-138.67)  169.18                80
 07/27/2019   19:16:22   (   0.00,-137.15) (  -0.31,-135.71)  164.74                80
 07/28/2019   07:37:45   (  -0.01,-137.14) (  -0.81,-140.89)  426.77                80
 07/29/2019   19:04:11   (  -0.00,-137.12) (  -0.94,-132.75)  497.63                80
 07/30/2019   07:25:35   (  -0.00,-137.11) (  -0.18,-137.94)   94.15                80
 08/01/2019   07:10:44   (   0.00,-137.07) (   0.45,-134.98)  237.62                80
 08/01/2019   19:31:59   (   0.00,-137.06) (   0.63,-140.14)  349.38                80